EP 0642133 A2 19950308 - Non-volatile memory device with a sense amplifier capable of copying back.
Title (en)
Non-volatile memory device with a sense amplifier capable of copying back.
Title (de)
Nichtflüchtige Speicheranordnung mit Leseverstärker, der zurückkopieren kann.
Title (fr)
Dispositif de mémoire non-volatile avec un amplificateur de détection capable de recopier.
Publication
Application
Priority
- JP 21849993 A 19930902
- JP 17819494 A 19940729
Abstract (en)
Disclosed is a non-volatile semiconductor memory device for transferring data which is inverted data of held data onto bit lines, without reading out read data to an external unit, when data is copied back. This device comprises NAND memory cells (2) connected to bit lines (BL), a flip-flop circuit (1) for temporarily holding write data, a P channel transistor (Q1) for precharging the bit lines (BL) to a predetermined potential, an N channel transistor (Q2) for connecting the bit lines (BL) to the flip-flop circuit (1), and an N channel transistor (Q3) having both ends connected between a node (5) of the flip-flop circuit (1) on the opposite side to the bit lines (BL) and one end of the transistor (Q2) on the bit line side. The transistor (Q3) is provided to hold read data and then output a potential according to its inverted data onto the bit lines (BL). The individual terminals of the flip-flop circuit (1) are connected via a column gate (3) to an I/O line and a BI/O line (inverted-signal line of I/O). <IMAGE>
IPC 1-7
IPC 8 full level
G11C 16/02 (2006.01); G11C 16/06 (2006.01); G11C 16/34 (2006.01); G11C 17/00 (2006.01)
CPC (source: EP US)
G11C 16/3418 (2013.01 - EP US); G11C 16/3431 (2013.01 - EP US); G11C 16/3454 (2013.01 - EP US); G11C 16/3459 (2013.01 - EP US)
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 0642133 A2 19950308; EP 0642133 A3 19951102; JP 2922116 B2 19990719; JP H07122092 A 19950512; US 5465235 A 19951107; US RE36732 E 20000613
DOCDB simple family (application)
EP 94113683 A 19940901; JP 17819494 A 19940729; US 29775394 A 19940830; US 96542697 A 19971106